Founded in 1970, MSD is one of the most recognized industry names in ignition system products, EFI products and high performance parts. The company designs, develops, tests and assembles its entire line of ignition boxes, crank triggers, distributors, EFI systems, transmission controllers, spark plugs, coils, spark plug wires, and other performance parts from its headquarters in El Paso, TX. MSD Performance(R) is part of the Holley Performance Companies - Hooker Headers(R), Flowtech(R) Exhaust, NOS(R) Nitrous, Weiand(R), Earl's Performance Plumbing(R), Diablosport(R) Superchips(R), Edge Products(R), Racepak(R), Accel(R), Mr.Gasket(R), - Holley products can give you the edge you need over the competition.